82568570 has 16 divisors (see below), whose sum is σ = 169855488. Its totient is φ = 28309200.

The previous prime is 82568543. The next prime is 82568573. The reversal of 82568570 is 7586528.

It is not an unprimeable number, because it can be changed into a prime (82568573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589706 + ... + 589845.

It is an arithmetic number, because the mean of its divisors is an integer number (10615968).

Almost surely, 2^82568570 is an apocalyptic number.

82568570 is an abundant number, since it is smaller than the sum of its proper divisors (87286918).

82568570 is a wasteful number, since it uses less digits than its factorization.

82568570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179565.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 82568570 is about 9086.7249325596. The cubic root of 82568570 is about 435.4499593854.

It can be divided in two parts, 82568 and 570, that added together give a palindrome (83138).

The spelling of 82568570 in words is "eighty-two million, five hundred sixty-eight thousand, five hundred seventy".